The strengths of H-X bond (Sb) of lithium, sodium, beryllium, magnesium, calcium, carbon, silicon, nitrogen, phosphorus, arsenic, oxygen and sulfur were calculated with use of equation ∆aΨogas/cond = Σ ∆atomΨogas/cond - ∆fΨogas/cond = Σ Sb gas/cond, in which were included the...
Open access
Research Article10.9734/IRJPAC/2018/42779
This work aims at conversion of mill scale to produce value-added pigment grade red iron oxide by multi-step process, such as milling, acid treatment, mixing with redox reagents and calcination. In all steel re-rolling industries, mill scale is a solid waste material produced as...
Open access
Research Article10.9734/IRJPAC/2018/42935
Silican oxide (SiO2) is the most abundant oxide present on the surface of the earth which has a wide spectrum of technological applications due to it's various chemical and physical properties. The topological index is a numerical representation of a molecular structure. The firs...
Open access
Research Article10.9734/IRJPAC/2018/42645
Toxic compounds are frequently found in discharges (industrial and domestic effluents) with very variable biodegradability. Among those that are feared for the ecosystem are phenols. Phenol and its derivatives are considered by the Environmental Protection Agency as important pol...
Open access
Research Article10.9734/IRJPAC/2018/42413
Aims: To isolate and evaluate the biological activities of the compounds present in the roots of Ochna serrulata. Study Design: Laboratory isolation of compounds by using various chromatographic methods, and cytotoxicity and antimalarial evaluations of the isolated compounds. Pl...
Open access
Research Article10.9734/IRJPAC/2018/42440
A simple and efficient one-pot three-component synthesis of Mannich type reaction has been developed using recyclable Fe+3-montmorillonite K10 (Fe+3@K10) under solvent-free condition. The reaction of aromatic aldehydes, aromatic anilines and aryl ketones produced β-amino carbony...
Open access
Research Article10.9734/IRJPAC/2018/41983
Aspartame (ASP) is an Artificial Sweetener used to substitute sugar which was said to cause some health disorders. It is about 200 times sweeter than sugar, with almost the same calorie value of 17 KJ per gram; a smaller quantity then, provides the same sweetness as...
Open access
Research Article10.9734/IRJPAC/2018/41441
A series of alumina and silica supported molybdenum oxide catalysts were prepared using ammonium heptamolybdate at different loading levels (5 – 20 wt% of molybdenum oxide) by the impregnating method. The total acidity of the solid catalysts was measured by means of potentiometri...
Open access
Research Article10.9734/IRJPAC/2018/41667
A hetero-catalyst, Co2+ and Zn2+ impregnated Bentonite-Chitosan composite (Co2+-BCC and Zn2+-BCC) has been developed separately and characterized using scanning electron microscope (SEM), for the synthesis of a different class of nitrogen containing 5 and 6 membered heterocyclic...
Open access
Research Article10.9734/IRJPAC/2018/41446
The extraction and characterization of both cold press and hexane solvent extracted Moringa oleifera oil found in North central (Makurdi, Benue State) Ecological Zone of Nigeria has been carried out. The moringa seed was milled into flour and then divided into two portions. The f...
Open access
Research Article10.9734/IRJPAC/2018/40938